3&period; MultifunctionThe best new improved control boards to protect print heads&comma;Front and Mid&period; Heating system with PID temperature control unit&comma;Taking up &sol; Feeding system with patented pressure bar to maintain long feeding&comma;New developed sub tank system to ensure good ink supply&period;

1&period; We provide 15 months trouble-free warranty and Lifetime Online Technical Support for all of our machines&period;2&period; During warranty period&comma; we will send free parts for replacement&lpar;circuit boards&rpar; by DHL&comma; while broken parts should be sent back&period;&lpar; not including printhead & Ink Supply System &period;&rpar;3&period; When some technical problems&comma;please send detail description&comma;photos or vedio&comma;then our technician will give the resolution accordingly&period;4&period; There are complete English user manuals to guide you easily install &comma;operate and maintain the printer&period; It's clear and easy to understand&period;